The average marks of 18 students is 68. If a student with 82 marks joins, what is the new average? MCQ with Answer and Explanation

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The average marks of 18 students is 68. If a student with 82 marks joins, what is the new average?

A. 68.74

B. 68.2

C. 68.5

D. 69.0

Answer: Option A

Solution (By JKSSB Mock Tests)

Sum=18×68=1224. New sum=1224+82=1306. New avg=1306/19=68.74.

This question belongs to: Maths Average

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